442 lines
15 KiB
C++
442 lines
15 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** Modified work Copyright 2015 Felix Ulber <felix.ulber(at)gmx.de>
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://www.qt.io/licensing. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "checkablemessagebox.h"
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#include <QApplication>
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#include <QCheckBox>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QPushButton>
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#include <QSettings>
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/*!
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\class Utils::CheckableMessageBox
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\brief The CheckableMessageBox class implements a message box suitable for
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questions with a
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"Do not ask me again" checkbox.
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Emulates the QMessageBox API with
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static conveniences. The message label can open external URLs.
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*/
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static const char kDoNotAskAgainKey[] = "DoNotAskAgain";
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namespace Utils {
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class CheckableMessageBoxPrivate
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{
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public:
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CheckableMessageBoxPrivate(QDialog *q)
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: clickedButton(0)
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{
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QSizePolicy sizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
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pixmapLabel = new QLabel(q);
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sizePolicy.setHorizontalStretch(0);
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sizePolicy.setVerticalStretch(0);
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sizePolicy.setHeightForWidth(pixmapLabel->sizePolicy().hasHeightForWidth());
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pixmapLabel->setSizePolicy(sizePolicy);
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pixmapLabel->setVisible(false);
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QSpacerItem *pixmapSpacer =
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new QSpacerItem(0, 5, QSizePolicy::Minimum, QSizePolicy::MinimumExpanding);
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messageLabel = new QLabel(q);
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messageLabel->setMinimumSize(QSize(300, 0));
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messageLabel->setWordWrap(true);
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messageLabel->setOpenExternalLinks(true);
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messageLabel->setTextInteractionFlags(Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse);
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QSpacerItem *checkBoxRightSpacer =
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new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Minimum);
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QSpacerItem *buttonSpacer =
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new QSpacerItem(0, 1, QSizePolicy::Minimum, QSizePolicy::Minimum);
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checkBox = new QCheckBox(q);
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checkBox->setText(CheckableMessageBox::tr("Do not ask again"));
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buttonBox = new QDialogButtonBox(q);
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buttonBox->setOrientation(Qt::Horizontal);
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buttonBox->setStandardButtons(QDialogButtonBox::Cancel|QDialogButtonBox::Ok);
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QVBoxLayout *verticalLayout = new QVBoxLayout();
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verticalLayout->addWidget(pixmapLabel);
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verticalLayout->addItem(pixmapSpacer);
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QHBoxLayout *horizontalLayout_2 = new QHBoxLayout();
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horizontalLayout_2->addLayout(verticalLayout);
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horizontalLayout_2->addWidget(messageLabel);
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QHBoxLayout *horizontalLayout = new QHBoxLayout();
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horizontalLayout->addWidget(checkBox);
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horizontalLayout->addItem(checkBoxRightSpacer);
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QVBoxLayout *verticalLayout_2 = new QVBoxLayout(q);
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verticalLayout_2->addLayout(horizontalLayout_2);
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verticalLayout_2->addLayout(horizontalLayout);
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verticalLayout_2->addItem(buttonSpacer);
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verticalLayout_2->addWidget(buttonBox);
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}
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QLabel *pixmapLabel;
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QLabel *messageLabel;
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QCheckBox *checkBox;
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QDialogButtonBox *buttonBox;
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QAbstractButton *clickedButton;
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};
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CheckableMessageBox::CheckableMessageBox(QWidget *parent) :
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QDialog(parent),
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d(new CheckableMessageBoxPrivate(this))
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{
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setModal(true);
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setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
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connect(d->buttonBox, SIGNAL(accepted()), SLOT(accept()));
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connect(d->buttonBox, SIGNAL(rejected()), SLOT(reject()));
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connect(d->buttonBox, SIGNAL(clicked(QAbstractButton*)),
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SLOT(slotClicked(QAbstractButton*)));
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}
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CheckableMessageBox::~CheckableMessageBox()
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{
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delete d;
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}
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void CheckableMessageBox::slotClicked(QAbstractButton *b)
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{
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d->clickedButton = b;
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}
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QAbstractButton *CheckableMessageBox::clickedButton() const
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{
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return d->clickedButton;
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}
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QDialogButtonBox::StandardButton CheckableMessageBox::clickedStandardButton() const
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{
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if (d->clickedButton)
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return d->buttonBox->standardButton(d->clickedButton);
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return QDialogButtonBox::NoButton;
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}
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QString CheckableMessageBox::text() const
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{
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return d->messageLabel->text();
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}
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void CheckableMessageBox::setText(const QString &t)
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{
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d->messageLabel->setText(t);
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}
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QPixmap CheckableMessageBox::iconPixmap() const
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{
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if (const QPixmap *p = d->pixmapLabel->pixmap())
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return QPixmap(*p);
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return QPixmap();
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}
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void CheckableMessageBox::setIconPixmap(const QPixmap &p)
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{
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d->pixmapLabel->setPixmap(p);
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d->pixmapLabel->setVisible(!p.isNull());
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}
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bool CheckableMessageBox::isChecked() const
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{
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return d->checkBox->isChecked();
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}
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void CheckableMessageBox::setChecked(bool s)
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{
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d->checkBox->setChecked(s);
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}
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QString CheckableMessageBox::checkBoxText() const
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{
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return d->checkBox->text();
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}
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void CheckableMessageBox::setCheckBoxText(const QString &t)
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{
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d->checkBox->setText(t);
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}
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bool CheckableMessageBox::isCheckBoxVisible() const
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{
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return d->checkBox->isVisible();
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}
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void CheckableMessageBox::setCheckBoxVisible(bool v)
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{
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d->checkBox->setVisible(v);
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}
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QDialogButtonBox::StandardButtons CheckableMessageBox::standardButtons() const
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{
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return d->buttonBox->standardButtons();
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}
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void CheckableMessageBox::setStandardButtons(QDialogButtonBox::StandardButtons s)
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{
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d->buttonBox->setStandardButtons(s);
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}
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QPushButton *CheckableMessageBox::button(QDialogButtonBox::StandardButton b) const
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{
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return d->buttonBox->button(b);
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}
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QPushButton *CheckableMessageBox::addButton(const QString &text, QDialogButtonBox::ButtonRole role)
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{
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return d->buttonBox->addButton(text, role);
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}
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QDialogButtonBox::StandardButton CheckableMessageBox::defaultButton() const
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{
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foreach (QAbstractButton *b, d->buttonBox->buttons())
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if (QPushButton *pb = qobject_cast<QPushButton *>(b))
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if (pb->isDefault())
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return d->buttonBox->standardButton(pb);
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return QDialogButtonBox::NoButton;
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}
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void CheckableMessageBox::setDefaultButton(QDialogButtonBox::StandardButton s)
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{
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if (QPushButton *b = d->buttonBox->button(s)) {
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b->setDefault(true);
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b->setFocus();
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}
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}
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QDialogButtonBox::StandardButton
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CheckableMessageBox::question(QWidget *parent,
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const QString &title,
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const QString &question,
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const QString &checkBoxText,
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bool *checkBoxSetting,
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QDialogButtonBox::StandardButtons buttons,
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QDialogButtonBox::StandardButton defaultButton)
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{
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CheckableMessageBox mb(parent);
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mb.setWindowTitle(title);
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mb.setIconPixmap(QMessageBox::standardIcon(QMessageBox::Question));
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mb.setText(question);
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mb.setCheckBoxText(checkBoxText);
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mb.setChecked(*checkBoxSetting);
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mb.setStandardButtons(buttons);
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mb.setDefaultButton(defaultButton);
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mb.exec();
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*checkBoxSetting = mb.isChecked();
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return mb.clickedStandardButton();
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}
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QDialogButtonBox::StandardButton
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CheckableMessageBox::information(QWidget *parent,
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const QString &title,
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const QString &text,
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const QString &checkBoxText,
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bool *checkBoxSetting,
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QDialogButtonBox::StandardButtons buttons,
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QDialogButtonBox::StandardButton defaultButton)
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{
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CheckableMessageBox mb(parent);
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mb.setWindowTitle(title);
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mb.setIconPixmap(QMessageBox::standardIcon(QMessageBox::Information));
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mb.setText(text);
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mb.setCheckBoxText(checkBoxText);
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mb.setChecked(*checkBoxSetting);
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mb.setStandardButtons(buttons);
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mb.setDefaultButton(defaultButton);
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mb.exec();
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*checkBoxSetting = mb.isChecked();
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return mb.clickedStandardButton();
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}
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QMessageBox::StandardButton CheckableMessageBox::dialogButtonBoxToMessageBoxButton(QDialogButtonBox::StandardButton db)
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{
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return static_cast<QMessageBox::StandardButton>(int(db));
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}
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bool askAgain(QSettings *settings, const QString &settingsSubKey)
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{
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//QTC_CHECK(settings);
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if (settings) {
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settings->beginGroup(QLatin1String(kDoNotAskAgainKey));
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bool shouldNotAsk = settings->value(settingsSubKey, false).toBool();
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settings->endGroup();
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if (shouldNotAsk)
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return false;
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}
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return true;
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}
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enum DoNotAskAgainType{Question, Information};
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void initDoNotAskAgainMessageBox(CheckableMessageBox &messageBox, const QString &title,
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const QString &text, QDialogButtonBox::StandardButtons buttons,
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QDialogButtonBox::StandardButton defaultButton,
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DoNotAskAgainType type)
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{
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messageBox.setWindowTitle(title);
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messageBox.setIconPixmap(QMessageBox::standardIcon(type == Information
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? QMessageBox::Information
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: QMessageBox::Question));
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messageBox.setText(text);
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messageBox.setCheckBoxVisible(true);
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messageBox.setCheckBoxText(type == Information ? CheckableMessageBox::msgDoNotShowAgain()
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: CheckableMessageBox::msgDoNotAskAgain());
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messageBox.setChecked(false);
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messageBox.setStandardButtons(buttons);
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messageBox.setDefaultButton(defaultButton);
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}
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void doNotAskAgain(QSettings *settings, const QString &settingsSubKey)
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{
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if (!settings)
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return;
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settings->beginGroup(QLatin1String(kDoNotAskAgainKey));
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settings->setValue(settingsSubKey, true);
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settings->endGroup();
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}
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/*!
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Shows a message box with given \a title and \a text, and a \gui {Do not ask again} check box.
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If the user checks the check box and accepts the dialog with the \a acceptButton,
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further invocations of this function with the same \a settings and \a settingsSubKey will not
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show the dialog, but instantly return \a acceptButton.
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Returns the clicked button, or QDialogButtonBox::NoButton if the user rejects the dialog
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with the escape key, or \a acceptButton if the dialog is suppressed.
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*/
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QDialogButtonBox::StandardButton
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CheckableMessageBox::doNotAskAgainQuestion(QWidget *parent, const QString &title,
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const QString &text, QSettings *settings,
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const QString &settingsSubKey,
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QDialogButtonBox::StandardButtons buttons,
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QDialogButtonBox::StandardButton defaultButton,
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QDialogButtonBox::StandardButton acceptButton)
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{
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if (!askAgain(settings, settingsSubKey))
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return acceptButton;
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CheckableMessageBox messageBox(parent);
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initDoNotAskAgainMessageBox(messageBox, title, text, buttons, defaultButton, Question);
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messageBox.exec();
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if (messageBox.isChecked() && (messageBox.clickedStandardButton() == acceptButton))
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doNotAskAgain(settings, settingsSubKey);
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return messageBox.clickedStandardButton();
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}
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/*!
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Shows a message box with given \a title and \a text, and a \gui {Do not show again} check box.
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If the user checks the check box and quits the dialog, further invocations of this
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function with the same \a settings and \a settingsSubKey will not show the dialog, but instantly return.
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Returns the clicked button, or QDialogButtonBox::NoButton if the user rejects the dialog
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with the escape key, or \a defaultButton if the dialog is suppressed.
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*/
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QDialogButtonBox::StandardButton
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CheckableMessageBox::doNotShowAgainInformation(QWidget *parent, const QString &title,
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const QString &text, QSettings *settings,
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const QString &settingsSubKey,
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QDialogButtonBox::StandardButtons buttons,
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QDialogButtonBox::StandardButton defaultButton)
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{
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if (!askAgain(settings, settingsSubKey))
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return defaultButton;
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CheckableMessageBox messageBox(parent);
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initDoNotAskAgainMessageBox(messageBox, title, text, buttons, defaultButton, Information);
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messageBox.exec();
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if (messageBox.isChecked())
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doNotAskAgain(settings, settingsSubKey);
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return messageBox.clickedStandardButton();
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}
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/*!
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Resets all suppression settings for doNotAskAgainQuestion() found in \a settings,
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so all these message boxes are shown again.
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*/
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void CheckableMessageBox::resetAllDoNotAskAgainQuestions(QSettings *settings)
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{
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//Q_ASSERT(settings, return);
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settings->beginGroup(QLatin1String(kDoNotAskAgainKey));
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settings->remove(QString());
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settings->endGroup();
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}
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/*!
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Returns whether any message boxes from doNotAskAgainQuestion() are suppressed
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in the \a settings.
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*/
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bool CheckableMessageBox::hasSuppressedQuestions(QSettings *settings)
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{
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//Q_ASSERT(settings, return false);
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bool hasSuppressed = false;
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settings->beginGroup(QLatin1String(kDoNotAskAgainKey));
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foreach (const QString &subKey, settings->childKeys()) {
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if (settings->value(subKey, false).toBool()) {
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hasSuppressed = true;
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break;
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}
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}
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settings->endGroup();
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return hasSuppressed;
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}
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/*!
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Returns the standard \gui {Do not ask again} check box text.
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\sa doNotAskAgainQuestion()
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*/
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QString CheckableMessageBox::msgDoNotAskAgain()
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{
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return QApplication::translate("Utils::CheckableMessageBox", "Do not &ask again");
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}
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/*!
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Returns the standard \gui {Do not show again} check box text.
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\sa doNotShowAgainInformation()
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*/
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QString CheckableMessageBox::msgDoNotShowAgain()
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{
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return QApplication::translate("Utils::CheckableMessageBox", "Do not &show again");
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}
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} // namespace Utils
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